搜索结果: 1-15 共查到“知识库 Watersheds”相关记录51条 . 查询时间(0.015 秒)
Anthropization and Climate Change: Impact on the Discharges of Forest Watersheds in Central Africa
climate change urbanization impervious area Cameroon runoff
2023/12/15
Climate change and anthropization are major drivers of river flows variability. However, understanding their simultaneous impact on discharges is limited. As a contribution to address this limitation,...
Delineation of eco watersheds by integration of Remote Sensing and GIS techniques for management of water and land resources
Eco watersheds PC analysis Water Resources Hierarchical Clustering
2016/5/20
Present study describes the concept of eco-watersheds. Eco watershed is described as the homogenous watershed which have similar characteristics for natural resources development and management practi...
LOCAL ALGORITHM FOR MONITORING TOTAL SUSPENDED SEDIMENTS IN MICRO-WATERSHEDS USIN DRONES AND REMOTE SENSING APPLICATIONS.CASE STUDY:TEUSACá RIVER,LA CALERA,COLOMBIA
Geomatics Water quality Total Suspended Sediments Drones (UAVs) Image processing Remote Sensing
2015/9/10
An empirical relationship of Total Suspended Sediments (TSS) concentrations and reflectance values obtained with Drones’ aerial photos and processed using remote sensing tools was set up as the main o...
An interface of drainage division for modeling wetlands and riparian buffers in agricultural watersheds
Drainage division DEM Geographic Information System GIS wetlands riparian buffers concentrated flow
2015/8/13
In a complex watershed, isolated wetlands, riparian wetlands and riparian buffers provide important functions such as flood attenuation and water quality improvement. For conservation purposes, it is ...
Effects of agricultural conservation practices on oxbow lake watersheds in the Mississippi River alluvial plain
limnology management systems evaluation area nutrients pesticides sediment water quality
2015/3/9
Agricultural lands are considered to be a major source of nonpoint source pollutants such as sediment, pesticides and nutrients in the United States. Conservation practices have been tested for their ...
LAND USE AND ITS DYNAMIC STUDIES WITH LANDSAT IMAGES IN THE WATERSHEDS OF THE XILIN RIVER,CHINA
Land use/Land cover Classification Agriculture Watersheds
2015/2/4
This is a pilot study of rangeland degradation in Xilin Gol Plateau of Inner Mongolia of the North China by using
Landsat imagery. The plateau is relatively flat and temperate dry steppe is the main ...
LAND PLANNING FOR SUSTAINABLE DEVELOPMENT IN WATERSHEDS USING GEOGRAPHICAL INFORMATION SYSTEM
Watersheds GIS Remote Sensing Erosion Sustainability
2015/2/4
The lack of adequate land use planning and soil knowledge have been one of the major problems to develop soil
conservation politics to avoid environmental degradation in Brazil. The application of so...
Remote sensing & GIS applications for drainage detection and modeling in agricultural watersheds
Remote Sensing GIS
2015/1/16
The primary objective of this research involves mapping out and validating the existence of sub surface drainage tiles in a given cropland using Remote Sensing and GIS methodologies. The process is de...
THE IMPACT OF STORM CHARACTERISTICS AND LAND USE ON NUTRIENT EXPORT IN TWO GLACIATED WATERSHEDS IN CENTRAL INDIANA, USA
nutrient export pathway nitrate
2015/1/16
This study investigated nutrient export during three spring storm events in two different land use watersheds (agricultural and mixed land use) in a glacial till landscape of the Midwestern, USA. The ...
THE INFLUENCE OF SEASON, FLOW REGIME, AND WATERSHED LAND USE AND LAND COVER ON NUTRIENT DELIVERY TO TWO RAPIDLY URBANIZING WATERSHEDS IN CENTRAL INDIANA, USA
land use land cover nutrient seasonal variation flow regime
2015/1/16
This study explores relationships between temperate stream geochemistry and watershed land cover in two temperate streams, Fishback Creek and School Branch Creek, located in a rapidly urbanizing area ...
An interface of drainage division for modeling wetlands and riparian buffers in agricultural watersheds
Drainage division DEM Geographic Information System
2015/1/7
In a complex watershed, isolated wetlands, riparian wetlands and riparian buffers provide important functions such as flood attenuation and water quality improvement. For conservation purposes, it is ...
Quantitative Geomorphological Analysis & Land Use/ Land Cover Change Detection of Two Sub-Watersheds in NE region of Punjab, India
Morphometric Parameters Land Use/Land Cover Change GIS and Remote Sensing
2014/12/15
Morphometric analysis is the measurement and mathematical analysis of the landforms. The delineation of drainage system is of utmost importance in understanding hydrological system of an area, water r...
A Conceptual Modeling of spatio-temporal database to Estimate Runoff Changes in Urbanized Watersheds
Modelling Database Spatial Temporal Hydrology Monitoring Change
2014/11/28
This paper presents the development of a conceptual model of a database that allows the monitoring of changes in watersheds over time and verifies the impact of these changes on runoff. The conceptual...
A COMPREHENSIVE GIS-BASED MODELING APPROACH FOR PREDICTING NUTRIENT LOADS IN WATERSHEDS
GIS watershed modeling TMDL nonpoint source pollution
2014/11/12
A comprehensive, GIS-based modeling approach was developed to enable accurate
prediction of nutrient loads in watersheds throughout the state of Pennsylvania; particularly those
watersheds for which...
An Ecosystem Approach to the Sustainability of Urbanizing Watersheds
ecosystem approach land use impacts to water quality and water quantity watershed modeling Deliberative Attribute Prioritization Procedure (DAPP) stakeholder participation municipal planning and zoning
2014/11/11
Political boundaries make watershed planning difficult despite the influence of many state and federal programs. Broad, top-down, watershed initiatives fail to reach many municipalities due to human r...